ITS: after processing cleanup memory remnants

[f3sch]

when stop or endofstream is received, e.g. before destruction we can already free this memory

[github-actions]

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[alibuild]

Error while checking build/O2/fullCI_slc9 for 5739870 at 2025-06-13 12:06:

input queue has size 84
output queue has size 12
input queue has size 77
output queue has size 12
input queue has size 73
output queue has size 12
input queue has size 66
output queue has size 12
input queue has size 54
output queue has size 12
input queue has size 46
output queue has size 12
input queue has size 31
output queue has size 12
input queue has size 21
output queue has size 12
input queue has size 14
output queue has size 12
input queue has size 3
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
input queue has size 0
output queue has size 13
++ cp thinned_compile_commands.json compile_commands.json
++ CHECKS='-*,modernize-avoid-bind,modernize-deprecated-headers,modernize-make-shared,modernize-raw-string-literal,modernize-redundant-void-arg,modernize-replace-auto-ptr,modernize-replace-random-shuffle,modernize-shrink-to-fit,modernize-unary-static-assert,modernize-use-equals-default,modernize-use-noexcept,modernize-use-nullptr,modernize-use-override,modernize-use-transparent-functors,modernize-use-uncaught-exceptions,readability-braces-around-statements'
++ tee error-log.txt
+++ which O2codecheck
+++ find /sw/slc9_x86-64/GCC-Toolchain/v14.2.0-alice2-1/lib -name crtbegin.o -exec dirname '{}' ';'
++ run_O2CodeChecker.py -j 32 -clang-tidy-binary /sw/slc9_x86-64/o2codechecker/v18.1.2.1-local1/bin/O2codecheck -clang-apply-replacements-binary /sw/slc9_x86-64/Clang/v18.1.8-21/bin-safe/clang-apply-replacements -extra-args=--extra-arg=--gcc-install-dir=/sw/slc9_x86-64/GCC-Toolchain/v14.2.0-alice2-1/lib/gcc/x86_64-unknown-linux-gnu/14.2.0 '-header-filter=.*SOURCES(?!.*/3rdparty/).*' '-checks=-*,modernize-avoid-bind,modernize-deprecated-headers,modernize-make-shared,modernize-raw-string-literal,modernize-redundant-void-arg,modernize-replace-auto-ptr,modernize-replace-random-shuffle,modernize-shrink-to-fit,modernize-unary-static-assert,modernize-use-equals-default,modernize-use-noexcept,modernize-use-nullptr,modernize-use-override,modernize-use-transparent-functors,modernize-use-uncaught-exceptions,readability-braces-around-statements'
No checks enabled.
Unable to run clang-tidy.

Full log here.